ลำโพงเพดาน ยี่ห้อ BOSCH รุ่น LBC3090/31
Technical specifications
Electrical*
- Maximum power 9 W
- Rated power 6 / 3 / 1.5 W
- Sound pressure level at 6 W / 1 W (1 kHz, 1 m) 99 dB / 91 dB (SPL)
- Sound pressure level at 6 W / 1 W (4 kHz, 1 m) 104 dB / 96 dB (SPL)
- Effective frequency range (-10 dB) 70 Hz to 18 kHz
- Opening angle at 1 kHz/4 kHz (-6 dB) 160° / 55°
- Rated voltage 100 V
- Rated impedance 1667 ohm
- Connector 2-pole screw terminal block
- * Technical performance data acc. to IEC 60268-5
Mechanical
- Diameter 199 mm (7.8 in)
- Maximum depth 89 mm (3.5 in)
- Mounting cut-out 172 mm (6.5 in)
- Speaker diameter 152.4 mm (6 in)
- Weight 990 g (2.2 lb)
- Color White (RAL 9010)
- Magnet weight 150 g (5.3 oz)
Environmental
- Operating temperature -25 ºC to +55 ºC (-13 ºF to +131 ºF)
- Storage and transport temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)
- Relative humidity <95%
LBC3080/01
- Diameter 147 mm (5.8 in)
- Maximum depth 87 mm (3.4 in)
- Weight 360 g (0.8 lb)
- Color Flame red (RAL 3000)
- Certified B15 acc. to DIN 4102



























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